Twenty thousand unemployed World War I veterans descended on Washington in the
spring of 1932 to demand early payment of a bonus due in 1945.

Bonus marchers- Twenty thousand unemployed World War I veterans descended on Washington in the spring of 1932 to demand early payment of a bonus due in 1945.

Explanation:

The bonus marchers were led by Douglas MacArthur. He was the chief army staff. During 1932, the World War I veterans joined with their families and protested in demand of bonus of the year 1945.

As the veterans were unemployed, they demanded for early bonus. They all gathered in Washington demanding immediate bonus payment for their services during war time. They made this demand to tackle their financial crisis after Great Depression. Representative Wright Patman accepted the demand of veterans and made immediate payment.

hey,

i hope you are having a wonderful day

the correct answer is :

{b.}   ( american workers lose job opportunities )

hope this : )

    -sprinkles